3 INTERNATIONAL STANDARDS INDOOR ENVIRONMENTAL QUALITY 室内环境质量国际标准 pren and ISO CD 17772: Indoor environmental input parameters for the design and assessment of energy performance of buildings. TR and ISO NWI TR 17772: Guideline for using indoor environmental input parameters for the design and assessment of energy performance of buildings.

4 INDOOR ENVIRONMENTAL INPUT PARAMETERS FOR THE DESIGN AND ASSESSMENT OF ENERGY PERFORMANCE OF BUILDINGS 建筑能效设计与评价的室内环境参数 This International Standard deals with the indoor environmental parameters for thermal environment, indoor air quality, lighting and acoustic. This standard specifies how to establish indoor environmental input parameters for building system design and energy performance calculations. This standard includes design criteria for the local thermal discomfort factors. draught, radiant temperature asymmetry, vertical air temperature differences, floor surface temperature. This standard specifies occupancy schedules to be used in standard energy calculations.

5 CATEGORIES 分级 Category Explanation I High level of expectation and also recommended for spaces occupied by very sensitive and fragile persons with special requirements like some disabilities, sick, very young children and elderly persons, to increase accessibility. II Normal level of expectation III An acceptable, moderate level of expectation IV Low level of expectation. This category should only be accepted for a limited part of the year

20 SPECIFIC POLLUTANS 特定污染物 The ventilation rate required to dilute a pollutant shall be calculated by this equation: G h 1 Q h = Eq (2) C h,i - C h,o v where: Q h is the ventilation rate required for dilution, in litre per second; G h is the pollution load of a pollutant, in micrograms per second; C h,i is the guideline value of a pollutant, see Annex B6, in micrograms per m 3 ; C h,o is the supply concentration of pollutants at the air intake, in micrograms per m 3 ; v is the ventilation effectiveness NOTE. C h,i and C h,o may also be expressed as ppm (vol/vol). In this case the pollution load G h has to be expressed as l/s.

22 FILTRATION AND AIR CLEANING 过滤与空气净化 The influence of position of outdoor air intakes, filtration and air cleaning shall be considered. (EN13779, TR15251) 考虑室外进风口 过滤净化器位置的影响 If filtration and air cleaning is used the following points shall be considered: Reducing the amount of airborne pollutants (pollens, molds, spores, particles, dust) from the outdoor air intake by circulating the air through a filter. Circulating secondary air through a filter or other air cleaning technology to reduce the amount of pollutants in the air Reduce the concentration of odors and gaseous contaminants by circulating the secondary air or recirculating the return air (gas phase air cleaning) Note: Design guidelines on air cleaning and filtration are given in EN13779 and ISO DIS How to partially substitute outside air by air cleaning is described in TR15251

31 PERSONALIZED SYSTEMS 个性化送风系统 Can standard criteria be directly applied also to a personal system, where the occupants try to meet their own preferences? If the occupants have a personalized system is it then possible to relax on the requirements to the general environment? Increased satisfaction

32 TRENDS REGARDING EMISSIONS FROM MATERIALS 材料散发污染物带来的新趋势 Several national methods for material declarations and certification 几种材料检测认证方法 Work on establishing common EU concepts Will give incentives to manufacturer of building materials and furnishing 鼓励建材和家具制造商

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